Answer:
1s2 2s2 2p6
Explanation:
ththe noble gas config. of neon
6.7 mass because 1 atom equals 6.3 but if u add 4 it would be 6.7
Answer:
C. the number of atoms, molecules, ions, formula units, or other particles in a mole of a substance
Explanation: Its correct
Answer:
ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), platinum (Pt), gold (Au), silver (Ag).
Explanation:
Evaporating is the right one